<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>
        <a href="/">权限管理</a>
      </el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <!-- 添加角色 -->
      <el-row>
        <el-col>
          <el-button type="primary">添加角色</el-button>
        </el-col>
      </el-row>
      <el-table :data="roleList" border>
        <!-- 数据展示列 -->
        <el-table-column type="expand">
          <template slot-scope=scope>
            <el-row
              v-for="(item1,i1) in scope.row.children"
              :key="item1.id"
              :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']"
            >
              <el-col :span="5">
                <el-tag closable @close="removeRightById(scope.row,item1.id)">{{item1.authName}}</el-tag>
              </el-col>
              <el-col :span="19">
                <el-row
                  v-for="(item2,i2) in item1.children"
                  :key="item2.id"
                  :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']"
                >
                  <el-col :span="6">
                    <el-tag
                      type="success"
                      closable
                      @close="removeRightById(scope.row,item2.id)"
                    >{{item2.authName}}</el-tag>
                  </el-col>
                  <el-col :span="18">
                    <el-tag
                      type="warning"
                      v-for="(item3) in item2.children"
                      :key="item3.id"
                      closable
                      @close="removeRightById(scope.row,item3.id)"
                    >{{item3.authName}}</el-tag>
                    <!-- @close="removeRightById(scope.row, item3.id)" -->
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="角色名称" prop="roleName"></el-table-column>
        <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
        <el-table-column label="操作" width="300px">
          <template slot-scope="scope">
            <!-- slot-scope="scope" -->
            <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
            <el-button size="mini" type="danger" icon="el-icon-delete">删除</el-button>
            <el-button
              size="mini"
              type="warning"
              icon="el-icon-setting"
              @click="showAssignauthority(scope.row)"
            >分配权限</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 分配权限弹出框 -->
    <el-dialog title="分配权限" :visible.sync="AssignauthorityVisible" width="50%" @close="AssigClose">
      <el-tree
        :data="AssignauthorityList"
        :default-expand-all="true"
        :default-checked-keys="TreearrKey"
        node-key="id"
        :show-checkbox="true"
        :props="TreeProps"
        ref="Treeref"
      ></el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="AssignauthorityVisible = false">取 消</el-button>
        <el-button type="primary" @click="subAssign">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    return {
      roleList: [],
      AssignauthorityVisible: false,
      AssignauthorityList: [],
      TreeProps: {
        children: 'children',
        label: 'authName'
      },
      //   默认选中的节点
      TreearrKey: [],
      rightId: ''
    }
  },
  created() {
    this.getroleslist()
  },
  methods: {
    async getroleslist() {
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.roleList = res.data
      //   console.log(this.roleList)
    },
    async removeRightById(role, rightId) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该文件, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除！')
      }
      const { data: res } = await this.$http.delete(
        `roles/${role.id}/rights/${rightId}`
      )
      if (res.meta.status !== 200) {
        return this.$message.error('删除权限失败！')
      }
      role.children = res.data
      this.$message.success('删除权限成功！')
    },
    async showAssignauthority(role) {
      this.rightId = role.id
      const { data: res } = await this.$http.get('rights/tree ')
      console.log(res)
      if (res.meta.status !== 200) {
        this.$message.error('获取权限列表失败！')
      }
      this.AssignauthorityList = res.data
      this.getAssignKey(role, this.TreearrKey)
      this.AssignauthorityVisible = true
    },
    getAssignKey(node, arr) {
      if (!node.children) {
        return arr.push(node.id)
      }
      node.children.forEach(item => {
        this.getAssignKey(item, arr)
      })
    },
    AssigClose() {
      this.TreearrKey = []
    },
    async subAssign() {
      const subAssignKey = [
        ...this.$refs.Treeref.getCheckedKeys(),
        ...this.$refs.Treeref.getHalfCheckedKeys()
      ]
      //   console.log(subAssignKey)
      const idStr = subAssignKey.join(',')
      console.log(idStr, 'id')
      const { data: res } = await this.$http.post(
        `roles/${this.rightId}/rights`,
        { rids: idStr }
      )
      if (res.meta.status !== 200) return this.$message.error('分配权限失败')
      this.$message.success('角色权限更新成功！')
      this.getroleslist()
      this.AssignauthorityVisible = false
    }
  }
}
</script>
<style lang="less" scoped>
.el-tag {
  margin: 7px;
}
.bdtop {
  border-top: 1px solid #eee;
}

.bdbottom {
  border-bottom: 1px solid #eee;
}

.vcenter {
  display: flex;
  align-items: center;
}
</style>
